You have the following information for Sheridan Inc. for the month ended June 30, 2022. Sheridan uses a periodic inventory system. Unit Cost or Date Description Quantity Selling Price June 1 Beginning inventory 40 $34 June 4 Purchase 135 37 June 10 Sale 110 64 June 11 Sale return 15 64 June 18 18. Purchase 55 40 June 18 Purchase return June 25 Sale June 28 Purchase 233 10 40 65 70 35 44 Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted-average cost per unit tA $